added a comment to spawn
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							|  | @ -51,6 +51,7 @@ spawn(Arg *arg) | ||||||
| 
 | 
 | ||||||
| 	if(!arg->cmd) | 	if(!arg->cmd) | ||||||
| 		return; | 		return; | ||||||
|  | 	/* the double-fork construct avoids zombie processes */ | ||||||
| 	if(fork() == 0) { | 	if(fork() == 0) { | ||||||
| 		if(fork() == 0) { | 		if(fork() == 0) { | ||||||
| 			if(dpy) | 			if(dpy) | ||||||
|  |  | ||||||
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	 Anselm R. Garbe
						Anselm R. Garbe